/*
 * Copyright 2018-2021 guerlab.net and other contributors.
 *
 * Licensed under the GNU LESSER GENERAL PUBLIC LICENSE, Version 3 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      https://www.gnu.org/licenses/lgpl-3.0.html
 *
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package net.guerlab.cloud.searchparams.mybatisplus;

/**
 * 自定义sql信息
 *
 * @author guer
 */
class CustomerSqlInfo {

    public static final String MATCH_FLAG = "?";

    public static final String BATCH_FLAG = "?*";

    public static final String MATCH_REG = "\\?";

    public static final String BATCH_REG = "\\?\\*";

    /**
     * sql片段
     */
    final String sql;

    /**
     * 是否包含匹配符
     */
    final boolean matchFlag;

    /**
     * 批量模式
     */
    final boolean batch;

    /**
     * 通过sql片段构造自定义sql信息
     *
     * @param sql
     *         自定义sql信息
     */
    CustomerSqlInfo(String sql) {
        this.sql = "(" + sql + ")";
        matchFlag = sql.contains(MATCH_FLAG);
        batch = matchFlag && sql.contains(BATCH_FLAG);
    }
}
